True, but I'll mention the semantics of channels once again. Go blocks are
attached to channels, and channels exist on their own as values. No where
in this entire system is there some global list of channels or go blocks
(except for in the executors, but let's not get into that right now).

This means that entire chains of gos and channels can be reclaimed by the
GC if neither end of the chain is anchored in a GC root.

Timothy


On Wed, Jul 17, 2013 at 8:17 AM, Laurent PETIT <laurent.pe...@gmail.com>wrote:

> 2013/7/17 Timothy Baldridge <tbaldri...@gmail.com>:
> > It appears that you cannot call close! within a go block and so
> >>
> >> to signal the end of input to a channel you have to use another channel
> >> upon which the receiver can alt!.
> >>
> >
> > That's shouldn't be true. What problems did you run into with this?
>
> Silly suggestion : maybe the OP is trying to call close! on a channel
> which is unbuffered, after having put a value.
>
> I can imagine, then, that it is only when a consumer has taken the
> value out of the unbuffered channel, that the producer will be
> unblocked, and the call to close! will be executed.
>
> So maybe using a channel of size 1 may help make the symptom disappear ?
>
> >
> > And yes, channels and go's are automatically GC'd when they can no
> longer be
> > access by the system. So these channels/gos get GC'd as fast as they are
> > created.
> >
> > (loop []
> >   (let [c (chan)]
> >     (go (<! c))
> >     (recur)))
> >
> > Timothy
> >
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-- 
“One of the main causes of the fall of the Roman Empire was that–lacking
zero–they had no way to indicate successful termination of their C
programs.”
(Robert Firth)

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